Official recognition that foreign technology could play a major role in modernising the Chinese economy had caused imports to rise by more than 50 percent in 1978 placing undue strain on the national economy. Why did the more than 50％ rise in imports of 1978 place undue strain on China’s national economy? (课文内容)
【正确答案】：More foreign exchange is required for more imports. All sections of China’s national economy would have to work harder and better to export and earn more for the imports increased.
【题目解析】：1978年超过50%的进口增长会给中国的国民经济带来不适当的压力是因为更多的进口需要更多的外汇。中国国民经济的所有部门都必须更加努力地工作，更好地出口，从增加的进口中赚取更多的利润。
